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<title>chdir</title>
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<h2 align=center>chdir</h2>
<h4 align=center>OS/161 Reference Manual</h4>

<h3>Name</h3>
chdir - change current directory

<h3>Library</h3>
Standard C Library (libc, -lc)

<h3>Synopsis</h3>
#include &lt;unistd.h&gt;<br>
<br>
int<br>
chdir(const char *<em>pathname</em>);

<h3>Description</h3>

The current directory of the current process is set to the directory
named by <em>pathname</em>.
<p>

<h3>Return Values</h3>
On success, chdir returns 0. On error, -1 is returned, and
<A HREF=errno.html>errno</A> is set according to the error
encountered.

<h3>Errors</h3>

The following error codes should be returned under the conditions
given. Other error codes may be returned for other errors not
mentioned here.

<blockquote><table width=90%>
<tr><td width=10%>&nbsp;</td><td>&nbsp;</td></tr>
<tr><td>ENODEV</td>		<td>The device prefix of <em>pathname</em> did
				not exist.</td></tr>
<tr><td>ENOTDIR</td>	<td>A non-final component of <em>pathname</em>
				was not a directory.</td></tr>
<tr><td>ENOTDIR</td>	<td><em>pathname</em> did not refer to a
				directory.</td> 
<tr><td>ENOENT</td>	<td><em>pathname</em> did not exist.</td></tr>
<tr><td>EIO</td>	<td>A hard I/O error occurred.</td></tr>
<tr><td>EFAULT</td>	<td><em>pathname</em> was an invalid pointer.</td></tr>
</table></blockquote>

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